type(e87,10,20,simple_t).
type(e46,10,20,simple_t).
type(e42,10,20,simple_t).
type(e91,10,20,arch).
type(e7,10,20,wood).
type(e48,10,20,simple_t).
type(e36,10,20,simple_t).
type(e69,10,20,suspen).
type(e22,10,20,wood).
type(e4,10,20,wood).